There is no definitive count to suggest that for that particular count iui will be successful. But the success rates are better when 1. Count is at least 8-10 million/ml 2. Active motility is 40% and 3. Morphology is 4%.
Next Steps
If the semen analysis done twice at least 1 month apart and the parameters are below the given ones, then it would be better to go for Ivf.
Health Tips
Repeat semen analysis after 1 month.